Study on Community Characteristics of Pinaceae in Gaoligong Mountain

The similarity coefficients of Pinaceae species in Yunling Reserve, Yulong Snow Mountain, Jiaozi Snow Mountain, Wuliang Mountain, Ailao Mountain, Yao Mountain, Cangshan Mountain and Namjagbarwa Peak were compared to study the community characteristics of Pinaceae species in Gaoligong Mountain. The investigation showed that there were 16 species(including varieties) and 6 genera of Pinaceae in this range, which are the main components of warm temperature and cold temperature zone of coniferous forests in Gaoligong Mountain, and the distribution of Picea farreri in Gaoligong Mountain is reported for the first time. The dominant species were Pinus, Abies and Tsuga. The genera of East Asia areal type and East Asia and North America disjunct type. The species of Sino-Himalayan and Chinese endemic. The coefficients of similarity between Gaoligong Mountain and Namcha Barwa was the highest, and the lowest was between Gaoligong Mountain and Ailao Mountain.